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E07

E07 - Generator operation (no mains voltage)

Wilo · Yonos PICO Pumps

What does E07 mean?

The LED display shows E07, indicating that water is flowing through the pump but it has no mains voltage. This is sometimes referred to as generator operation.

Common Causes

  • Pump has no mains voltage
  • Power interruption

Repair Steps & Checklist

Click steps to track your progress.

  1. 1

    Check that the power supply is switched on.

  2. 2

    Verify the mains voltage supply to the pump.

  3. 3

    Resolve any power interruptions.

Browse all codes in this manual (17)
Verified technical data. Last updated: April 2026

Related Faults

Bars bottom to top blinkBars bottom to top blink - Pump venting function activeBuilding does not get warmBuilding does not get warm - Heating output too lowE04E04 - Undervoltage detected
Source: Wilo Yonos PICO Pumps
Open Manual (Page 19)Search more codes in this manual